Hair dryer



FIG. 1 is a first side view of a hair dryer according to the present invention;

FIG. 2 is a second side view, rotated ninety degrees from the first side view, of the hair dryer of FIG. 1;

FIG. 3 is a third side view, opposite the second side view, of the hair dryer of FIG. 1; and,

FIG. 4 is a top view of the hair dryer of FIG. 1.

The broken lines shown in FIGS. 1, 2 and 3 are for illustrative purposes only and do not form part of the claimed design. 

The ornamental design for a hair dryer, as shown and described. 